Use dimensional analysis and the given densities to make the following conversions: a. 14.8g of boron to cm^3 of boron. The density of boron is 2.34g/cm^3.

b. 4.62g of mercury to cm^3 of mercury. The density of mercury is 13.5g/cm^3.

What is the molar mass of babr2? a. 217.2 g/mol b. 297.1 g/mol c. 354.5 g/mol d. 434.4 g/mol

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

The excretory system,need answers for all: )